cosmetic pipette with serum smear smudge drop swatch of collagen and peptides closeup on white

serum smudge isolated peptides macro emulsion collagen sample bubble enzyme gel hyaluron retinol transparent oil drop skin skincare scrub peeling microscope botox face essence anti aging antioxidants dropper lab pippette bottle laboratory fragrance scientific glass pipet research white vial healing equipment chemical bio hydration azelaic cream fill water medical squalane body